anonanon 152k1212 gold badges233233 silver badges398398 bronze badges $endgroup$ four $begingroup$ That's excellent many thanks a bunch! I also posted the same query below: math.stackexchange.com/issues/2135276/… that You may have some Perception on? $endgroup$The significance of Levi-Civita Attributes in 4 Proportions lies in their function with